index.java

又一个课程设计 简易 JSP 论坛 功能较简单的那种, 界面上模仿了 Discuz JSP 本来就学的不行, 只是尽量实现了 MVC

package cn.ialvin.bbs.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Iterator;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.ialvin.bbs.bean.Forum;
import cn.ialvin.bbs.dao.DAOFactory;
import cn.ialvin.bbs.dao.IForumDAO;
import cn.ialvin.bbs.dao.IManagerDAO;
import cn.ialvin.web.Servlet;

public class Index extends Servlet {
	private static final long serialVersionUID = 1L;
	public Index() { super(); }
	public void destroy() { super.destroy(); }
	public void doAction(
			HttpServletRequest request,
			HttpServletResponse response,
			PrintWriter out,
			DAOFactory factory)
			throws ServletException, IOException, SQLException {

		IForumDAO fd = factory.getForumDAO();
		IManagerDAO md = factory.getManagerDAO();
		ArrayList<Forum> forums = fd.getForums();
		request.setAttribute("forums", forums);
		Iterator<Forum> iterator = forums.iterator();
		while (iterator.hasNext()) {
			Forum forum = iterator.next();
			forum.setManagers(md.getManagers(forum.getId()));
		}
		request.getRequestDispatcher("/index.jsp").forward(request, response);
	}
}